fix(sqlserver): align insert hints with generated columns

apps/desktop/src/lib/sql/insertValueHintColumns.ts

@@ -0,0 +1,14 @@
+import type { DatabaseType, SqlServerColumnMetadata } from "@/types/database";
+
+type InsertValueHintColumn = Pick<SqlServerColumnMetadata, "name"> & Partial<Pick<SqlServerColumnMetadata, "is_identity" | "is_computed" | "is_hidden" | "generated_always_type">>;
+
+export function insertValueHintColumnNames(databaseType: DatabaseType | undefined, columns: readonly InsertValueHintColumn[]): string[] {
+  return columns
+    .filter((column) => {
+      if (databaseType !== "sqlserver") return true;
+      // SQL Server reports computed and temporal period columns independently;
+      // check every structured flag so positional VALUES only maps writable columns.
+      return !column.is_identity && !column.is_computed && !column.is_hidden && (column.generated_always_type ?? 0) === 0;
+    })
+    .map((column) => column.name);
+}